Removal and installation of the fuel tank with hinged details. Audi A4 (from 2001 to 2005 release)
Service of Audi A4 from 2001 to 2005 release.
1. Operation and maintenance of the car
2. Engine
2.1. General information
2.2. Predvaritlny checks
2.3. Mekhanichsky part (petrol engines 2,0l)
2.4. Lubrication system
2.5. Cooling system
2.6. System of injection
2.6.1. Removal and installation of a turbocharger
2.6.2. Removal and installation of the vacuum block of a turbocharger
2.6.3. Adjustment of the vacuum block of a turbocharger (the turbocharger is removed)
2.6.4. The general instructions on self-diagnostics of system of injection
2.6.5. Decrease in high pressure of fuel
2.6.6. Removal and installation of a flowmeter of air
2.6.7. Removal and installation of an inlet collector with a fuel stage
2.6.8. Removal and installation of a fuel stage (Rail)
2.6.9. Removal and installation of nozzles
2.6.10. Check of pressure of fuel and residual pressure in front of the pump of high pressure
2.6.11. Check of residual pressure
2.6.12. Removal and installation of the pump of high pressure
2.6.13. Replacement of the control unit of the engine
2.6.14. Removal and installation a lambda probe in front of the catalyst
2.6.15. Removal and installation a lambda probe after the catalyst
2.6.16. The fuel tank (front-wheel cars – all models with MPI engines and 2,0 l of FSI)
2.6.17. Pumping of fuel from a tank
2.6.18. Removal and installation of the fuel tank with hinged details
2.6.19. Electric check of the fuel pump
2.6.20. Check of amount of the fuel given by the fuel pump (cars from the 4th the cylinder engine with a free admission)
2.6.21. Check of amount of the fuel given by the fuel pump (atomobil with the engine of 1,8 l Turbo)
2.6.22. Check of amount of the fuel given by the fuel pump (atomobil from the 4th the cylinder FSI engine)
2.6.23. Check of amount of the fuel given by the fuel pump (cars from 6 the cylinder MPI engine)
2.6.24. Removal and installation of knot of supply of fuel
2.6.25. Fuel tank (all-wheel drive cars till 10:04)
2.6.26. Pumping of fuel from a tank
2.6.27. Removal and installation of knot of a pedal of an accelerator with sensors of provision of a pedal
2.7. System of production of the fulfilled gases
2.8. Mechanical part (petrol engines 3,0; 3,2 l)
2.9. Mechanical part (petrol engines of 4,2 l)
2.10. Mechanical part (diesel engines of 2,0 l)
2.11. Tables
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
9. Schemes of electric equipment
 







2-6-18-snyatie-i-ustanovka-toplivnogo-baka-s-navesnymi-detalyami.html

2.6.18. Removal and installation of the fuel tank with hinged details

Removal
For removal the fuel tank has to be empty for reduction of its weight. If necessary pump out fuel from the fuel tank.

Fig. 2.256. Removal of a cover of the accumulator


Take away an accumulator cover 1 to the right and remove it, lifting 2 (fig. 2.256) up.
Disconnect a weight wire from joint stock bank at the switched-off ignition.
Quickly turn off and then again twirl a stopper of a jellied mouth of the fuel tank.
Limousine
Remove a luggage carrier upholstery.
Cast away if necessary the right back of a back seat forward.
Avant
Remove a back 1/3 at the left.
Remove a luggage carrier covering sideways at the left and a mud-reception bathtub.
All models

Fig. 2.241. Fastening of a cover of a deaf flange


Turn off a cover of a deaf flange (fig. 2.241).

Fig. 2.260. Plug of a deaf flange


Disconnect the plug from a deaf flange (fig. 2.260).
Cars with hose connections

Fig. 2.261. Ventilating tube


Disconnect a ventilating tube of 1 (fig. 2.261).
Cars with plug connections

Fig. 2.262. Button of a clamp of a ventilating tube


Disconnect a ventilating tube, having pressed for this purpose the button of a clamp (fig. 2.262).
All models

Fig. 2.263. Loop detachment


Open the hatch of the fuel tank and disconnect a loop of 1 (fig. 2.263).

NOTE
Do not turn off a cover of a jellied mouth.

Clear of dirt space around a jellied mouth.
By means of the lever take out a tightening ring from a rubber cup and press through a rubber cup inside.
Remove a back right wheel.
Remove the back right flap.
Disconnect a ventilating tube 2 from a jellied mouth.

Fig. 2.264. Fastening of a jellied mouth


Turn off the screw of 1 fastening of a jellied mouth (fig. 2.264).
Remove an overlay of the bottom of the car.

Fig. 2.265. Overlays of the bottom of the car


Remove overlays of the bottom of the car 1 and 2 (fig. 2.265).
Remove a back part of the exhaust system.

ATTENTION
Before weakening of bolts of a stretcher take measures against capsizing of the car (for example, load a luggage compartment with freight weighing about 50 kg).

Remove the back bridge.

Fig. 2.266. Fastening of a cable of the drive of the parking brake system


Disconnect a cable of the drive of the parking brake system at the right forward wall of the fuel tank in the places (fig. 2.266) noted by shooters.
Disconnect the giving pipeline from the fuel filter 1, having pressed for this purpose the clamp button. Collect the fuel following as a result of it.

Fig. 2.267. Connections of the return fuel highway and the giving pipeline


Disconnect the return fuel highway 3 and a ventilating tube 2, having pressed for this purpose the button of a clamp (fig. 2.267).
On cars with an autonomous heater besides disconnect a fuel-supply line of the dosing pump of an autonomous heater.
Cars with the engine of 1,8 l Turbo

Fig. 2.268. Fuel highway and ventilating tube


Disconnect the fuel highway 1 and a ventilating tube 2 at the right forward wall of the fuel tank, having pressed for this purpose the buttons of clamps (fig. 2.268).
On cars with an autonomous heater besides disconnect a fuel-supply line of the dosing pump of an autonomous heater.
All models
For a support put under the fuel tank a jack for the engine and KP.

ATTENTION
At removal the fuel tank has to be empty for reduction of its weight.

Unscrew bolts 1–7.

Fig. 2.269. Bolts of fastening of the fuel tank


Then lower the fuel tank by means of a jack for the engine and KP (fig. 2.269).

Installation
Installation is carried out in the return sequence, at the same time it is necessary to observe the following instructions.

NOTE
For fastening of all connections of hoses use collars of the corresponding series. Make sure that fuel-supply lines and a ventilating tube of a priklipsovana to arms and to the fuel tank.

Check both connections of a wire of weight for lack of traces of oxidizing process. At detection remove such traces.
Check the Adjusting provision of a wire of weight.

Fig. 2.255. Scheme of laying of connection with weight


The plug 3 has to nest densely 2 (fig. 2.255).
The contact uvula 1 has to be suspended in the fuel tank 4.
Install the fuel tank with coupling tapes by means of a jack for the engine and KP on the car bottom.
At its installation pay attention to correctness of entry of a jellied mouth into a body opening.
Fix by bolts the fuel tank at first in points 2, 5, 3, 4, then in points of 1, 6 and 7 (fig. 2.269).
Delay fastening of a jellied mouth.

ATTENTION
After installation check by means of an ohmmeter electric contact of a nest on a jellied mouth with any pure unpainted place of a body.

Preset value: about 0th Ohm.
Establish the back bridge.
Install a back part of the exhaust system.
Install the back right flap, at the same time twirl the fixing screw of a jellied mouth.
Connect the rechargeable battery. To perform the operations provided after connection of joint stock bank.
Inhaling moments:
– coupling tapes to a body – 23 N · m;
– a jellied mouth to a wheel arch – 23 N · m.


2.6.17. Pumping of fuel from a tank

2.6.19. Electric check of the fuel pump